WoWInterface - "ClassResource has not yet been registered." error

Getting this error om ny DK, not on my rouge. The class resource menu item is also missing for obvious reason.

The error:

Quote:

1/2

x1 nibRealUI\Core\CombatFader.lua:155: ClassResource has not yet been registered.
Stack: [string "=[C]"]: in function 'assert'
[string "@nibRealUI\Core\CombatFader.lua"]:155: in function 'AddFadeConfig'
[string "@nibRealUI_Config\ConfigBar.lua"]:1137: in main chunk
[string "=[C]"]: in function 'LoadAddOn'
[string "@nibRealUI\Core.lua"]:262: in function 'LoadConfig'
[string "@nibRealUI\Core.lua"]:419: in function <nibRealUI\Core.lua:417>
Time: 2020/12/27 10:59:36 Index: 1/2
RealUI Version: 2.2.5
Locals:
(*temporary) = nil
(*temporary) = "ClassResource has not yet been registered."

2/2
x3 (null)
Stack: None
Time: 2020/12/27 10:59:36 Index: 2/2
RealUI Version: 2.2.5
Locals:

Tried the /realdebug command but didn't work